Home / 121,114-260,739

Finding the Third Proportional to 121,114 and 260,739

Calculator

Solution

The third proportional to 121,114 and 260,739 is: 561,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,114 : 260,739 = 260,739 : x
  2. Step 2: Convert to fraction form
    121,114/260,739 = 260,739/x
  3. Step 3: Cross multiply
    121,114x = 260,739 × 260,739
  4. Step 4: Simplify right side
    121,114x = 67,984,826,121
  5. Step 5: Solve for x
    x = 67,984,826,121/121,114
  6. Step 6: Final answer
    x = 561,329.21

Related Problems

Find third proportional to 60,557 and 130,369.50
Half scale
Find third proportional to 242,228 and 521,478
Double scale
Find third proportional to 121,116 and 260,743
Similar ratio
Find third proportional to 181,671 and 391,108.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.